package c_03;

/**
 * @author fu-xiao-liu
 * @Date 2022/5/31 16:02
 */
public class Demo01 {
    public static void main(String[] args) {
        String s = "";
        s = s + (char)(48);
        s = 1 + s;


        System.out.println(('0' + 1));
        System.out.println(s);
        System.out.println("Hello World");
    }
}
